横向
1
Visual representation of data
4
The number representing nothing
7
Proven mathematical statement
9
Mathematical rule or equation
10
Divisible by two
11
Power to which a number is raised
12
Round shape with all points equidistant
纵向
2
Number greater than zero
3
Comparison of two quantities
5
Closed shape with straight sides
6
U-shaped curve of a quadratic function
8
Difference between highest and lowest values